It's a frenemy showdown in the eleventh installment in the blockbuster #1 New York Times bestselling Dork Diaries series!
Nikki Maxwell has the worst luck. Of all the schools she could have been assigned to for the student exchange week program, she's stuck at North Hampton Hills, her archnemesis MacKenzie Hollister's new school. Even worse, there might just be someone at NHH who can out-MacKenzie MacKenzie!

Can the queen...

Nikki Maxwell's summer is packed with drama in this fourteenth installment of the #1 New York Times bestselling Dork Diaries series!
Nikki and her bandmates are looking forward to an AWESOME summer on tour as the opening act for the world famous Bad Boyz! Nikki is a little worried when her frenemy, MacKenzie Hollister, weasels her way into a social media intern position with the tour. But she has a total MELTDOWN when she learns...

Nikki's diary describes a frightful Halloween, on which she helps with her sister's ballet class party at the same time she is Brandon's date for their middle school Halloween dance, where she has promised to spend the evening with her two best friends.

"Middle-school drama queen Nikki Maxwell worries about asking a boy to her school's 'sweetheart dance'." -- "Nikki te da la pista definitiva para saber si le gustas a tu amor secreto." --

"Erase una vez una Pedorra... Un momento... por que me suenan tanto todos los personajes de cuentos de hadas con los que se encuentra Nikki?" --

"Querida Señorita Sabelotodo, Mi peor enemiga está propagando chismes sobre mí. ¡Socorro! ¡Oh, cielos! ¿El nombre de tu peor enemiga empieza por "Mac" y termina en "Kenzie"? ¡Entonces eres TÚ la que ME tiene que aconsejar! Tu amiga, SEÑORITA SABELOTODO."--Back cover.

"Nikki Maxwell has been doing everything she can to keep everyone at school from learning the truth--that she's there on scholarship in exchange for her Dad working as the school's exterminator. The last thing Nikki needs is having her friends and--worst case scenario-- her crush, Brandon, associating her with the humongous roach on top of her Dad's van! Now it looks like her secret could be about to come out, and Nikki's willing to go to any zany...

"It's Nikki Maxwell's birthday! And it's up to her whether it is a blast or a bust. Nikki and her BFF's Chloe and Zoey have been planning a birthday party of epic proportions! There's just one problem--Nikki's mom says no way to the budget they need to make it happen. Nikki's ready to call the whole thing off, but some surprising twists might take that decision out of her hands, and help comes from the person Nikki would least expect. One way or another,...

Springtime brings crazy adventures to Nikki and her friends Chloe, Zoey, and Brandon. "Vale, no os voy a engañar, este no es MI diario. Alguien (mi ARCHIENEMIGA Mackenzie) ha metido las narices en mis cosas. Preparaos para leer SU historia."--Casadellibro.